20 letters
18 letters
16 letters
15 letters
- antifashionable26
- distinguishable26
- hendecasyllable30
- hypercoagulable33
- immunoassayable29
- incommensurable31
- indisciplinable29
- interchangeable28
- noncontrollable27
- nonquantifiable35
- nonsaponifiable28
- nonsedimentable26
- nontransferable25
- photodegradable28
- uncategorizable35
- unchallengeable31
- uncompromisable33
- uncopyrightable33
- unexceptionable35
- unknowledgeable33
- unobjectionable37
- unpronounceable30
14 letters
- accomplishable33
- camouflageable31
- computerizable37
- contradictable26
- crystallizable34
- diagonalizable32
- differentiable26
- discomfortable28
- discourageable25
- disrespectable25
- disserviceable26
- extinguishable31
- hyperexcitable35
- hyperirritable25
- impressionable25
- inapproachable30
- incommunicable33
- inconsiderable24
- incontrollable25
- indecipherable28
- indecomposable29
- indemonstrable24
- indeterminable24
- indiscoverable27
- insurmountable25
- irreconcilable26
- irreproachable26
- nonaccountable28
- noncondensable26
- nonfissionable24
- nonforfeitable26
- noninflammable31
- nonjusticiable33
- nonpolarizable33
- proportionable25
- rationalizable29
- reconfigurable28
- rediscountable24
- reprogrammable29
- superimposable28
- thermoformable29
- transplantable24
- unapproachable31
- unattributable24
- unclassifiable27
- uncommunicable34
- unconscionable28
- uncontrollable26
- undecipherable29
- understandable23
- undeterminable25
- undiscoverable28
- unidentifiable25
- unprogrammable31
- unquantifiable34
- unquestionable31
- unrecognizable35
- unreconcilable28
- untranslatable22
13 letters
- administrable22
- anticipatable24
- apportionable24
- ascertainable21
- biodegradable24
- commensurable28
- companionable28
- conditionable23
- confiscatable27
- copyrightable29
- dischargeable25
- disciplinable26
- discreditable22
- discriminable25
- embarrassable23
- establishable23
- exceptionable31
- generalizable30
- graphitizable33
- imperceivable30
- imperturbable27
- impracticable29
- inappreciable27
- inconceivable29
- incontestable22
- indefatigable24
- indescribable25
- indispensable23
- indissociable22
- inexplainable30
- influenceable27
- insupportable25
- interoperable21
- interpretable21
- irreclaimable24
- irrecoverable24
- irreplaceable24
- irretrievable21
- knowledgeable29
- manipulatable26
- metabolizable33
- microfilmable30
- microwaveable30
- mineralizable31
- multivariable26
- nonabsorbable25
- noncancelable27
- noncomparable28
- nondeferrable23
- nondegradable23
- nondepletable24
- nondetachable25
- nondialyzable32
- nonexpendable31
- nonfilterable23
- nonmeasurable23
- nonnegotiable22
- nonperishable24
- nonrecyclable28
- nonrefillable24
- nonrefundable25
- nonreturnable21
- nonshrinkable26
- objectionable33
- paraphrasable25
- pronounceable26
- recommendable28
- reinforceable24
- replenishable24
- representable21
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- substitutable22
- transferrable21
- transformable24
- transmittable21
- transportable21
- ultrareliable20
- unaccountable27
- unassimilable23
- unassuageable22
- uncomfortable28
- unconceivable30
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- unconquerable33
- uncontainable24
- uncorrectable25
- undeliverable25
- undescribable26
- undiagnosable23
- unenforceable26
- unexplainable31
- unfalsifiable26
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- unfulfillable29
- unimpeachable30
- uninhabitable25
- unjustifiable32
- unmentionable24
- unperformable28
- unpredictable26
- unpublishable29
- unreclaimable26
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- unrespectable25
- unsalvageable26
- unserviceable26
- unspecifiable28
- unsupportable26
- unsurpassable23
- unsustainable21
- unwarrantable23
- volatilizable32
12 letters
- abstractable22
- accreditable23
- agglutinable23
- approachable27
- appropriable25
- attributable20
- bioavailable24
- circulatable24
- classifiable23
- communicable30
- compoundable28
- conscionable24
- considerable21
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- controllable22
- correlatable20
- criticizable31
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- decipherable25
- decomposable26
- demonstrable21
- determinable21
- diagnoseable20
- diagrammable25
- diminishable23
- disagreeable19
- discountable22
- discoverable24
- dishonorable20
- displaceable24
- disreputable21
- distractable20
- distrainable18
- documentable25
- downloadable23
- dramatizable29
- emulsifiable24
- equiprobable32
- exchangeable31
- extraditable24
- fertilizable29
- forecastable22
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- hydrolyzable33
- hypermutable27
- hypnotizable33
- identifiable21
- immeasurable23
- immensurable24
- impenetrable23
- imperishable24
- imponderable24
- inappeasable23
- inapplicable27
- incalculable26
- incommutable27
- incomparable26
- incomputable27
- inconsolable22
- inconsumable25
- incorporable23
- indeclinable23
- indisputable22
- ineffaceable26
- ineradicable21
- inexplicable31
- inexpugnable31
- inextricable27
- inhospitable22
- insufferable24
- interminable21
- invulnerable24
- irredeemable20
- irreformable22
- irrefragable21
- irremediable20
- irrepealable20
- irresolvable21
- jettisonable26
- magnetizable31
- maintainable21
- maneuverable25
- marriageable21
- mechanizable34
- merchantable25
- microwavable29
- monosyllable24
- nonbreakable25
- noncrushable24
- nonflammable28
- nonmalleable23
- nonrenewable22
- nonrepayable23
- normalizable30
- octosyllable23
- photolyzable33
- polysyllable26
- precipitable25
- programmable27
- prosecutable23
- pulverizable34
- quantifiable30
- questionable27
- readjustable27
- rechargeable23
- recognizable31
- reconcilable24
- registerable18
- rehydratable21
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- rememberable25
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- reproachable24
- researchable21
- restrainable17
- sanctionable21
- saponifiable23
- sedimentable21
- subdividable26
- summarizable32
- superposable23
- surmountable22
- thermostable21
- throttleable19
- transferable20
- transfusable21
- translatable18
- transmutable21
- transposable20
- unacceptable27
- unaffordable25
- unanalyzable31
- unanswerable22
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- unappeasable24
- unassailable19
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- unbelievable26
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- unbreathable23
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- unchangeable26
- uncharitable23
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- undetectable22
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- unforgivable27
- ungovernable25
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- unlistenable20
- unmanageable24
- unmarketable25
- unmeasurable22
- unmistakable25
- unmodifiable25
- unnegotiable21
- unnoticeable22
- unobservable25
- unobtainable22
- unpardonable23
- unpatentable22
- unprofitable24
- unquenchable34
- unrealizable28
- unreasonable19
- unrecyclable27
- unredeemable22
- unremarkable25
- unrepeatable21
- unresolvable23
- unreturnable20
- unreviewable25
- unsearchable23
- unseasonable19
- unverifiable25
- vanquishable33
- withdrawable25
11 letters
- abolishable21
- accountable23
- addressable17
- allocatable20
- amortizable27
- applaudable24
- appreciable24
- articulable20
- assimilable19
- attemptable21
- automatable19
- cancellable24
- certifiable21
- cherishable22
- collectable23
- comfortable24
- commandable26
- commendable26
- committable24
- compassable24
- compellable26
- compensable25
- concealable23
- conceivable26
- condemnable24
- condensable21
- conferrable22
- confessable22
- confirmable25
- confiscable25
- conformable25
- connectable23
- consignable22
- construable20
- containable20
- contestable19
- conversable23
- correctable21
- deflectable23
- deliverable21
- demountable21
- denumerable21
- depreciable22
- describable22
- detonatable17
- developable24
- diagnosable19
- disavowable23
- discardable20
- discernable20
- discussable20
- dislikeable21
- dispensable20
- displayable22
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- dissociable19
- dissolvable21
- dissyllable20
- embraceable24
- enforceable22
- enlargeable19
- escheatable20
- exercisable25
- explainable27
- exploitable26
- extractable25
- falsifiable22
- fashionable21
- fermentable22
- fissionable19
- foreseeable18
- forfeitable21
- forgettable20
- harvestable21
- illimitable20
- illuminable22
- immedicable25
- immitigable23
- impeachable26
- impermeable24
- implantable23
- impregnable24
- inadvisable21
- inalienable18
- inalterable17
- increasable19
- indefinable21
- indomitable20
- indubitable21
- ineluctable21
- inenarrable17
- inequitable26
- inescapable22
- inestimable19
- inexcusable27
- inflammable26
- inflectable23
- inhabitable21
- inheritable18
- innumerable21
- inscrutable20
- inseparable19
- insuperable20
- intolerable17
- intractable19
- irradicable19
- irrecusable19
- irrefutable19
- irremovable22
- irreparable18
- irrevocable22
- justiciable28
- justifiable28
- localizable29
- machineable24
- manipulable24
- medicinable23
- memorizable30
- mentionable20
- nonburnable22
- noncallable22
- nonreusable18
- nonsinkable22
- organizable27
- pensionable20
- perceivable25
- performable24
- persuadable20
- perturbable22
- pleasurable20
- polarizable28
- postponable22
- practicable24
- predictable22
- presentable19
- preservable22
- preventable23
- processable21
- projectable30
- publishable25
- purchasable24
- pyrolyzable32
- qualifiable29
- reclaimable22
- recoverable22
- rectifiable21
- redoubtable20
- regenerable18
- registrable17
- regrettable17
- relocatable19
- replaceable22
- repleviable23
- respectable21
- restartable15
- retractable18
- retrainable16
- retrievable19
- salvageable22
- satirizable24
- satisfiable18
- serviceable22
- specifiable24
- stretchable20
- supportable22
- surpassable19
- sustainable17
- swallowable23
- tarnishable18
- trafficable24
- trailerable16
- traversable19
- treasonable16
- treasurable16
- trisyllable19
- unadaptable21
- unadoptable21
- unalienable19
- unalterable18
- unavailable22
- unavoidable22
- unbreakable24
- unbudgeable24
- unbuildable23
- uncatchable25
- uncheckable29
- unclimbable27
- unclubbable28
- uncountable22
- uncrossable20
- uncrushable23
- undanceable22
- undauntable20
- undebatable21
- undecidable22
- undefinable22
- undesirable18
- undoubtable22
- undrinkable23
- unelectable21
10 letters
- abominable21
- absorbable20
- acceptable23
- achievable23
- acquirable27
- actionable18
- adjustable25
- adsorbable18
- affectable23
- affirmable23
- affordable21
- amerciable20
- analyzable27
- answerable18
- appealable21
- appeasable20
- applicable24
- approvable24
- arbitrable17
- ascendable19
- ascribable20
- assailable15
- assessable14
- assignable17
- attachable19
- attainable15
- believable22
- bleachable23
- breathable19
- bridgeable20
- calculable23
- cancelable22
- censurable19
- changeable22
- chargeable21
- charitable19
- chelatable20
- coagulable21
- cognizable29
- combinable24
- commutable24
- comparable23
- computable24
- condonable20
- consumable22
- creditable18
- crunchable24
- cultivable23
- deceivable22
- declarable19
- declinable20
- defendable20
- deferrable18
- deformable21
- defrayable20
- degradable18
- delectable19
- demandable20
- dependable20
- depletable19
- deplorable19
- deployable21
- deportable18
- despicable21
- detachable20
- detectable18
- deterrable15
- detestable15
- dialyzable27
- dislikable20
- disposable18
- disputable19
- disyllable19
- effaceable23
- embossable20
- employable23
- encashable20
- endorsable16
- enumerable19
- enunciable20
- eradicable18
- examinable25
- excludable27
- executable25
- expandable26
- expectable27
- expellable26
- expendable26
- explicable28
- exportable24
- extendable23
- extricable24
- extrudable23
- factorable20
- fathomable22
- filterable18
- forgivable23
- formidable21
- governable21
- handleable19
- honourable18
- hospitable19
- illaudable18
- imaginable20
- impalpable24
- impassable20
- impeccable26
- implacable24
- importable20
- improbable23
- improvable24
- impugnable24
- inarguable18
- inclinable20
- includable21
- inculpable23
- indictable19
- ineducable20
- inevitable19
- inexorable22
- inexpiable25
- inflatable19
- inimitable18
- injectable27
- inoperable18
- insatiable15
- insociable18
- insolvable20
- integrable17
- intuitable16
- invaluable21
- invariable19
- investable19
- inviolable20
- irremeable17
- isolatable15
- lamentable19
- licensable19
- listenable16
- machinable23
- manageable20
- marketable21
- measurable18
- mensurable19
- metastable17
- mistakable21
- modifiable21
- negotiable17
- nondurable18
- nonsalable17
- nontaxable23
- noticeable18
- notifiable18
- numberable22
- observable21
- obtainable18
- oxidizable31
- pacifiable23
- pardonable19
- patentable18
- penetrable18
- perdurable19
- perishable19
- permutable21
- personable18
- pilferable21
- pocketable24
- ponderable19
- predicable21
- preferable20
- presumable21
- procurable21
- profitable20
- promotable20
- propagable22
- pulverable23
- punishable21
- quenchable30
- realizable24
- reasonable15
- rebuttable18
- recallable19
- recappable23
- receivable21
- reclosable18
- recordable18
- recoupable21
- recyclable23
- redeemable18
- refillable19
- reformable20
- refundable20
- releasable15
- relievable19
- relishable17
- remarkable21
- remediable18
- remittable17
- removeable21
- renderable16
9 letters
- abdicable20
- abradable17
- accruable20
- adaptable17
- admirable17
- adoptable17
- advisable18
- affixable26
- agreeable15
- alienable15
- allocable18
- allowable18
- alterable14
- amendable18
- assumable17
- auditable15
- available18
- avoidable18
- awardable17
- breakable20
- buildable19
- canoeable17
- catchable21
- checkable25
- claimable20
- cleanable18
- clearable17
- cleavable21
- climbable23
- closeable17
- clubbable24
- coachable21
- cogitable18
- colorable17
- constable17
- countable18
- coverable20
- covetable20
- crossable16
- crushable19
- danceable18
- debatable17
- decidable18
- definable18
- delegable17
- derivable18
- desirable14
- detonable15
- devisable18
- dilatable15
- dividable19
- doubtable18
- draftable17
- drapeable17
- drillable16
- drinkable19
- driveable18
- droppable20
- dubitable18
- ejectable25
- electable17
- emendable18
- endurable16
- enjoyable25
- enterable14
- equitable23
- erectable16
- estimable16
- evolvable22
- exactable23
- excisable23
- excitable23
- excusable24
- execrable23
- fatigable18
- favorable20
- filtrable17
- flammable23
- flappable23
- flushable20
- focusable20
- forgeable18
- frameable19
- frankable21
- generable16
- getatable15
- gleanable17
- grantable16
- graspable18
- grazeable24
- groupable19
- guessable16
- habitable18
- hatchable20
- heritable15
- honorable16
- ignitable16
- ignorable16
- immovable23
- immutable20
- imputable20
- incapable20
- incunable19
- incurable18
- ineffable20
- inferable17
- insurable15
- ionizable23
- irritable13
- kneadable19
- labelable18
- laughable19
- leachable19
- learnable15
- limitable17
- litigable16
- locatable17
- malleable18
- matchable21
- medicable20
- memorable19
- miserable16
- mountable18
- navigable20
- nonarable15
- nonviable19
- numerable18
- opposable19
- orderable14
- palatable17
- peaceable19
- permeable19
- pivotable20
- placeable20
- plantable18
- pleadable18
- pregnable19
- previable20
- printable17
- reachable18
- referable16
- refutable17
- relatable14
- removable20
- renewable17
- reparable16
- repayable18
- reputable17
- resalable14
- rescuable17
- revisable17
- revivable21
- revocable20
- revokable21
- rotatable13
- saturable14
- scannable18
- scrutable17
- semblable20
- separable16
- severable17
- shakeable19
- shapeable18
- shareable15
- shiftable18
- shippable21
- shockable22
- skippable23
- sliceable17
- smokeable20
- soundable16
- spallable18
- spareable16
- speakable20
- spendable18
- spillable18
- spoilable17
- spottable16
- stackable20
- stageable15
- stainable14
- stateable13
- stealable14
- steerable13
- stoppable19
- superable17
- swimmable22
- teachable18
- temptable19
- tenurable15
- thinkable20
- timetable16
- tolerable14
- touchable19
- traceable16
- tractable16
- tradeable14
- trainable14
- treatable13
- trustable14
8 letters
- abatable15
- abusable16
- adorable13
- agitable14
- alliable14
- amenable16
- amicable18
- amusable16
- arguable15
- atonable13
- avowable19
- bailable16
- bankable20
- barrable15
- bearable15
- beatable15
- beddable17
- bendable17
- biddable17
- billable17
- bindable17
- biteable15
- blamable19
- boatable15
- boilable16
- bondable17
- bookable19
- bootable15
- bribable18
- buffable22
- burnable17
- callable17
- cartable15
- cascable18
- cashable17
- castable15
- causable16
- chewable20
- citeable15
- closable16
- clubable20
- coinable16
- cookable19
- culpable20
- curbable19
- cuttable16
- damnable17
- dateable13
- deniable14
- dimmable19
- dippable19
- drapable16
- drawable16
- drivable17
- dutiable14
- editable13
- educable17
- enviable17
- erasable12
- evadable17
- evitable16
- evocable19
- exorable19
- expiable22
- faceable18
- farmable18
- feedable16
- fellable17
- fileable16
- filmable19
- findable17
- fineable16
- fireable15
- fishable17
- fittable15
- foamable18
- foilable16
- foldable17
- fordable16
- formable18
- framable18
- furlable17
- gainable15
- gettable14
- giveable18
- gnawable18
- gradable15
- grazable23
- growable17
- guidable16
- gullable17
- gustable15
- hangable17
- hateable14
- healable15
- hearable14
- heatable14
- helpable18
- hireable14
- holdable16
- huggable19
- hummable21
- huntable16
- imitable15
- inarable13
- instable13
- inviable17
- isolable13
- issuable13
- joinable22
- keepable19
- kickable23
- kissable16
- knowable20
- lapsable16
- laudable15
- leasable13
- lendable15
- leviable17
- lienable14
- liftable16
- likeable17
- lineable14
- linkable18
- listable13
- liveable17
- loanable14
- lockable20
- loveable17
- mailable16
- makeable19
- mappable21
- maskable19
- meltable16
- mendable17
- millable17
- mineable16
- missable15
- mockable22
- moldable17
- moveable19
- nameable16
- nestable13
- nettable13
- obeyable17
- obviable19
- openable16
- operable15
- outfable16
- overable16
- oxidable20
- packable22
- palpable19
- parsable15
- passable15
- pawnable19
- peccable21
- peelable16
- pitiable15
- placable19
- playable18
- plowable19
- portable15
- pourable16
- probable18
- provable19
- prunable17
- quotable22
- radiable13
- raisable12
- rateable12
- readable13
- reapable15
- reefable15
- reelable13
- reliable13
- rentable13
- reusable13
- rideable13
- rinsable13
- rippable18
- ruinable14
- rustable13
- sailable13
- saleable13
- salvable17
- satiable12
- saveable16
- scalable16
- sealable13
- seisable12
- seizable21
- sellable14
- sendable14
- servable16
- shakable18
- shamable17
- shapable17
- sharable14
- shavable18
7 letters
- actable14
- addable13
- affable17
- amiable14
- bitable14
- buyable17
- capable17
- citable14
- codable15
- curable15
- datable12
- disable12
- dowable15
- dryable14
- dupable16
- durable13
- dyeable14
- eatable11
- effable17
- equable21
- eyeable13
- fadable15
- finable15
- fixable21
- flyable17
- friable14
- gelable14
- getable13
- hatable13
- hewable16
- hidable14
- hirable13
- likable16
- linable13
- livable16
- losable12
- lovable16
- makable18
- minable15
- mixable21
- movable18
- mutable15
- namable15
- notable12
- ownable15
- parable14
- payable16
- pliable15
- potable14
- ratable11
- retable11
- ridable12
- ropable14
- rowable14
- rulable13
- salable12
- savable15
- sayable13
- seeable11
- sewable14
- sizable20
- skiable15
- sowable14
- takable15
- tamable14
- taxable18
- tenable12
- totable11
- triable11
- tunable13
- typable16
- useable12
- vocable18
- votable15
- wadable15
- wirable14
4 letters